from SC 13D
1 page
Exhibit 1 Joint Filing Agreement in Accordance With Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended, Each of the Persons Named Below Agrees to the Joint Filing of a Statement on Schedule 13d (Including Amendments Thereto) With Respect to the Common Stock, $0.0005 Par Value Per Share, of Catalytica Energy Systems, Inc., a Delaware Corporation, and Further Agrees That This Joint Filing Agreement Be Included as an Exhibit to Such Filings Provided That, as Contemplated by Rule 13d-1(k)(l)(ii), No Person Shall Be Responsible for the Completeness or Accuracy of the Information Concerning the Other Persons Making the Filing, Unless Such Person Knows or Has Reason to Believe That Such Information Is Inaccurate. This Joint Filing May Be Executed in Any Number of Counterparts, All of Which Together Shall Constitute One and the Same Instrument. <table> <s> <c> Morgan Stanley Dean Witter & Co. Morgan Stanley Capital Partners III, Inc. By: /S/ Peter R. Vogelsang By: /S/ Peter R. Vogelsang Name: Peter R. Vogelsang Name: Peter R. Vogelsang Title: Authorized Signatory Title: Secretary Mscp III, LLC Morgan Stanley Capital Partners III, L.P. By: Morgan Stanley Capital Partners III, Inc., By: Mscp III, LLC, as Member as General Partner By: Morgan Stanley Capital Partners III, Inc., By: /S/ Peter R. Vogelsang as Member Name: Peter R. Vogelsang Title: Secretary By: /S/ Peter R. Vogelsang Name: Peter R. Vogelsang Title: Secretary Mscp III 892 Investors, L.P. Morgan Stanley Capital Investors, L.P. By: Mscp III, LLC, By: Mscp III, LLC, as General Partner as General Partner By: Morgan Stanley Capital Partners III, Inc., By: Morgan Stanley Capital Partners III, Inc., as Member as Member By: /S/ Peter R. Vogelsang By: /S/ Peter R. Vogelsang Name: Peter R. Vogelsang Name: Peter R. Vogelsang Title: Secretary Title: Secretary </Table>
